Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 12 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/09/2023   08:18:10   (   0.00,-104.68) (  -0.25,-103.54)  129.98                80
 12/10/2023   20:40:06   (  -0.00,-104.66) (  -0.94,-108.84)  476.49                80
 12/11/2023   20:24:00   (  -0.00,-104.66) (   0.08,-104.31)   40.39                80
 12/14/2023   08:27:01   (   0.01,-104.68) (   0.08,-105.04)   40.29                80
 12/15/2023   08:05:36   (   0.01,-104.68) (  -0.94,-100.51)  476.18                80
 12/16/2023   20:27:30   (  -0.02,-104.65) (  -0.30,-105.80)  130.98                80
 12/17/2023   20:11:25   (  -0.01,-104.65) (   0.73,-101.26)  385.64                80
 12/19/2023   08:33:11   (   0.00,-104.68) (   0.44,-106.53)  211.43                80
 12/20/2023   08:11:45   (  -0.00,-104.68) (  -0.58,-102.00)  305.25                80
 12/21/2023   20:33:41   (  -0.00,-104.65) (  -0.58,-107.30)  301.57                80
 12/22/2023   20:17:35   (  -0.01,-104.65) (   0.44,-102.77)  215.53                80